<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Title</title>
</head>
<body>
<div>
  <table border="1">
    <caption>商品列表</caption>
    <tr><th>id</th><th>标题</th><th>价格</th><th>库存</th><th>操作</th></tr>
    <tr v-for="p in arr">
      <td>{{p.id}}</td><td>{{p.title}}</td><td>{{p.price}}</td><td>{{p.num}}</td>
        <!--javascript:void(0)禁用超链接的跳转-->
        <td>
            <a :href="'/update.html?id='+p.id" >修改</a>
            <a href="javascript:void(0)" @click="del(p.id)">删除</a>
        </td>
    </tr>
  </table>
</div>
<script src="https://cdn.bootcdn.net/ajax/libs/axios/0.21.1/axios.min.js"></script>
<script src="https://cdn.staticfile.org/vue/2.6.14/vue.min.js"></script>
<script>
  let v = new Vue({
    el:"body>div",
    data:{
      arr:[{id:1,title:"冰红茶",price:5,num:100},
        {id:2,title:"绿茶",price:4,num:200},
        {id:3,title:"果粒橙",price:3,num:300}]
    },
    methods:{
        del(id){
            if (confirm("您确认删除此商品吗?")){
                //发出异步post
                axios.post("/delete?id="+id).then(function () {
                    location.reload();//刷新页面
                })
            }
        }
    },
    created:function () {
      //此方法是Vue对象实例化过程中调用的方法, 进入页面立即发请求的代码写在此处
      axios.get("/select").then(function (response) {
         //服务器返回的是装着多个商品对象的数组
        v.arr = response.data;
      })
    }
  })
</script>
</body>
</html>